Manufacturer Of Underground Gas Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral

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We have now sophisticated machines. Our solutions are exported to the USA, the UK and so on, enjoying a great reputation amid consumers for Welding Stainless Tube , Welded Tube , Sewer Line Pipe , If you are interested within our products and solutions, you should come to feel absolutely free to ship us your inquiry. We sincerely hope to ascertain win-win company relationships with you.

Manufacturer Of Underground Gas Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral Detail:

The Mechanical Properties of the SSAW pipe

steel grade	minimum yield strength Mpa	minimum Tensile strength Mpa	Minimum Elongation %
B	245	415	23
X42	290	415	23
X46	320	435	22
X52	360	460	21
X56	390	490	19
X60	415	520	18
X65	450	535	18
X70	485	570	17

The Chemical composition of the SSAW pipes

steel grade	C	Mn	P	S	V+Nb+Ti
	Max %	Max %	Max %	Max %	Max %
B	0.26	1.2	0.03	0.03	0.15
X42	0.26	1.3	0.03	0.03	0.15
X46	0.26	1.4	0.03	0.03	0.15
X52	0.26	1.4	0.03	0.03	0.15
X56	0.26	1.4	0.03	0.03	0.15
X60	0.26	1.4	0.03	0.03	0.15
X65	0.26	1.45	0.03	0.03	0.15
X70	0.26	1.65	0.03	0.03	0.15

The Geometric tolerance of the SSAW pipes

Geometric tolerances
outside diameter		Wall thickness		straightness		out-of-roundness		mass	Maximum weld bead height
D		T
≤1422mm	＞1422mm	＜15mm	≥15mm	pipe end 1.5m	full length	pipe body	pipe end		T≤13mm	T＞13mm
±0.5% ≤4mm	as agreed	±10%	±1.5mm	3.2mm	0.2% L	0.020D	0.015D	‘+10% -3.5%	3.5mm	4.8mm

Hydrostatic Test

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The pipe shall withstand the hydrostatic test without leakage through the weld seam or the pipe body
Jointers need not be hydrostatically tested, providedthat the portions of pipe used in marking the jointers were successfully hydrostatically tested prior to the joining operation.

Traceablity:
For PSL 1 pipe, the manufacturer shall establish and follow documented procedures for maintaining:
The heat identity until each related chmical tests is performed and conformance with the specified requirements is shown
The test-unit identity until each related mechanical tests is performed and conformance with the specified requirements is shown
For PSL 2 pipe, the manufacturer shall establish and follow documented procedures for maintaining the heat identity and the test-unit identity for such pipe. Such procedures shall provide means for tracing any length of pipe to the proper test unit and the related chemical test results.

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Persisting in High high quality, Prompt Delivery, Aggressive Price, we've established long-term cooperation with clients from the two overseas and domestically and get new and old clients' superior comments for Manufacturer Of Underground Gas Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral , The product will supply to all over the world, such as: Ghana, Buenos Aires, Madagascar, Since its foundation , the company keeps living up to the belief of honest selling , best quality , people-orientation and benefits to customers. We are doing everything to offer our customers with best services and best products . We promise that we'll be responsible all the way to the end once our services begin.

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This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!